Home / 18,579.17-27,829.78-14,611.79

Finding the Fourth Proportional to 18,579.17, 27,829.78 and 14,611.79

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Solution

The fourth proportional to 18,579.17, 27,829.78 and 14,611.79 is: 21,887.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,579.17 : 27,829.78 = 14,611.79 : x
  2. Step 2: Convert to fraction form
    18,579.17/27,829.78 = 14,611.79/x
  3. Step 3: Cross multiply
    18,579.17x = 27,829.78 × 14,611.79
  4. Step 4: Simplify right side
    18,579.17x = 406,642,934.15
  5. Step 5: Solve for x
    x = 406,642,934.15/18,579.17
  6. Step 6: Final answer
    x = 21,887.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.